Walter, B. S. G. (2015). Black Metal, forked tongue: Satanism, Paganism and the persistence of the Medieval. Music at the Extremes : Essays on Sounds Outside the Mainstream.

Walter, Brenda S. Gardenour. "Black Metal, Forked Tongue: Satanism, Paganism and the Persistence of the Medieval." Music at the Extremes : Essays on Sounds Outside the Mainstream 2015.

Walter, Brenda S. Gardenour. "Black Metal, Forked Tongue: Satanism, Paganism and the Persistence of the Medieval." Music at the Extremes : Essays on Sounds Outside the Mainstream, 2015.